help pe 12,13
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Help Pe 1213Repede Dau Coroana PLS class=

Răspuns :

12.

a)[tex] \frac{abc}{10} = 43.1 + 3.9 + 1.2[/tex]

=>

[tex] \frac{abc}{10} = 47 - 1.2 = 45.8[/tex]

abc=10×45.8

abc=458

b)

[tex] \frac{abcd}{100} = 5.71 + 12.91 - 7.52 = 11.1[/tex]

abcd=1110